////#include<cstdio>
////int main()
////{
////	int i = 0;
////	for (i = 100; i < 200; i++)
////	{
////		if (i % 2 != 0)
////			printf("%4d", i);
////	}
////	return 0;
////}
//
//
////#include<stdio.h>
////int main()
////{
////	int num1 = 0, num2 = 0, num3 = 0, num4 = 0;
////	char tmp = 0;
////	while (scanf("%c", &tmp) != EOF)
////	{
////		if (tmp <= 'z' && tmp >= 'a' || tmp <= 'Z' && tmp >= 'A')
////			num1++;
////		else if (tmp <= '9' && tmp >= '0')
////			num2++;
////		else if (tmp == ' ')
////			num3++;
////		else
////			num4++;
////	}
////	printf("num1=%d,num2=%d,num3=%d,num4=%d", num1, num2, num3, num4);
////	return 0;
////}
//
//
////#include<stdio.h>
////int main()
////{
////	for (int i = 0; i < 5; i++)
////	{
////		for (int j = 0; j < i; j++)
////			printf(" ");
////		for (int j = 0; j < 4; j++)
////			printf("* ");
////		printf("*\n");
////	}
////	return 0;
////}
//
////#include<stdio.h>
////int main()
////{
////	int sum = 0;
////	for (int i = 0; i < 100; i++)
////	{
////		int cur = i;
////		while (cur)
////		{
////			if (cur % 10 == 6)
////			{
////				sum += i;
////				break;
////			}
////			else
////				cur /= 10;
////		}
////	}
////	printf("%d", sum);
////	return 0;
////}
//
//#include<stdio.h>
//int main()
//{
//	int sum = 0;
//	for (int i = 1; i <= 101; i += 4)
//		sum += i;
//	for (int i = 3; i <= 101; i += 4)
//		sum -= i;
//	printf("%d", sum);
//	return 0;
//}